FIELD: biotechnology.
SUBSTANCE: invention relates to biotechnology and can be used in agriculture, in particular, in rearing of poultry. Feed additive for raising the productive and reproductive characteristics of poultry contains β-carotene and silicon dioxide at the following ratio of components, % wt.: β-carotene 2; silicon dioxide up to 100.
EFFECT: possibility of stimulating the reproductive function and the process of fertilisation of poultry, improving the marketable properties of poultry eggs and carcasses.
1 cl, 6 tbl, 2 ex
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